Features:Love music boxes but never seem to be able to find the song you really want? Look no further, with this Mechanical Music Box Set, you can create the music box you've always wanted. The music box is operated by turning the hand crank as the music strip is feed through the music box. 5 Blank music strips are included and a hole punch in order to write your own music in minutes.How to create your own music: Based on the diagram in the direction transverse to the pitch ( increasing from left to right ) , vertical to the beat ( solid line between the two is one beat ) . Note: Due to hand tape movement through a thin needle with a read -hole axis and read out the note struck audible sound teeth , in which a thin shaft rotating circle, if a sound appear on the pitch more than once ( for example, 11 corresponds to such notation of two closely spaced tones ; corresponds to the tape sense, that is solid and dotted lines such as adjacent the sound hole simultaneously C ) , then when the first tone is after reading the back of the ( same ) tone is ignored ( adjacent 1/ 4 beat even within the same pitches are omitted ) . Therefore, some cheerful melody or chord , such as 15,351,535 , of which five tone is repeated so frequently , and the effect may be just 153,153 , so attention to the chord adaptation . You can also use an app to help you to arrange songs before you start punching holes. There are smart apps for composing songs (you can searched "music box composer" to find yours).